570-17-210.OPC.IFC.Specification.R2.20210618Part-2.pdf

CCVAHCS Fresno, CA #570-17-210 Remodel Emergency Department for Observation Beds – 100% Final

07 01 50.19 - 1

SECTION 07 01 50.19

PREPARATION FOR RE-ROOFING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Complete roof removal for new roof system installation.

2. Partial roof removal for new roof system installation.

3. Roofing membrane and selective roofing system component removal for new roof membrane installation.

4. Existing roofing membrane preparation for new roofing membrane system installation.

B. Existing Roofing System: EPDM . System components include:

1. Pavers and paver supports.

2. Aggregate ballast.

3. Roof insulation.

4. Aggregate surfacing.

5. Roofing membrane.

6. Cover board.

7. Roof insulation.

8. Vapor retarder.

9. Substrate board.

1.2 RELATED REQUIREMENTS

A. New Roofing System: Section 07 53 23, ETHYLENE-PROPYLENE-DIENE-MONOMER

ROOFING

B. Sheet Metal Counterflashing: Section 07 60 00, SHEET METAL FLASHING AND TRIM.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute/Single-Ply Roofing Institute (ANSI/SPRI):

1. FX-1-01(R2006) Standard Field Test Procedure for Determining the Withdrawal

Resistance of Roofing Fasteners.

C. American Society for Nondestructive Testing (ASNT):

1. SNT-TC-1A - Personnel Qualification and Certification for Nondestructive Testing.

D. ASTM International (ASTM):

1. C208-12 - Cellulosic Fiber Insulating Board.

2. C578-15 - Rigid, Cellular Polystyrene Thermal Insulation.

3. C728-15 - Perlite Thermal Insulation Board.

4. C1177/C1177M-13 - Glass Mat Gypsum Substrate for Use as Sheathing.

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5. C1153-97(2003)e1 - Location of Wet Insulation in Roofing Systems Using Infrared Imaging.

6. C1278/C1278M-07a(2015) - Fiber-Reinforced Gypsum Panel.

7. D4263-83(2012) - Indicating Moisture in Concrete by the Plastic Sheet Method.

E. U.S. Department of Commerce National Institute of Standards and Technology (NIST):

1. DOC PS 1-09 - Structural Plywood.

2. DOC PS 2-04 - Performance Standard for Wood-Based Structural-Use Panels.

1.4 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting minimum 30 days before beginning Work of this section.

1. Required Participants:

a. Contracting Officer's Representative.

b. Architect/Engineer.

c. Inspection and Testing Agency.

d. Contractor.

e. Installer.

f. Manufacturer's field representative.

g. Other installers responsible for adjacent and intersecting work, including mechanical and electrical equipment installers.

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Removal and installation schedule.

b. Removal and installation sequence.

c. Preparatory work.

d. Protection before, during, and after installation.

e. Removal and installation.

f. Temporary roofing including daily terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

3. Document and distribute meeting minutes to participants to record decisions affecting installation.

1.5 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and installation details.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Description of temporary roof system and components.

3. List of patching materials.

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4. Recover board fastening requirements.

5. Temporary roofing installation instructions and removal instructions. preparation instructions to receive new roofing.

6. Existing roofing warrantor's instructions.

D. Photographs: Document existing conditions potentially affected by roofing operations before work begins.

E. Field Inspection Reports:

1. Certify warrantor inspected completed roofing and existing warranty remains in effect.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Same installer as Section 07 53 23, ETHYLENE-PROPYLENE-DIENE-MONOMER

ROOFING.

2. Approved by existing roofing system warrantor when work affects existing roofing system under warranty.

1.7 FIELD CONDITIONS

A. Building Occupancy: Perform work to minimize disruption to normal building operations.

1. Verify occupants are evacuated from affected building areas when working on structurally impaired roof decking above occupied areas.

2. Provide notice minimum 72 hours before beginning activities affecting normal building operations.

B. Existing Roofing Available Information:

1. The following are available for Contractor reference:

a. Construction drawings and project manual.

2. Examine available information before beginning work of this section.

C. Weather Limitations: Proceed with reroofing preparation only during dry weather conditions as specified for new roofing installation in Section 07 53 23, ETHYLENE-PROPYLENE-DIENE-MONOMER ROOFING

1. Remove only as much roofing in one day as can be made watertight in same day.

D. Hazardous materials are not expected in existing roofing system.

1. Known hazardous materials were removed before start of work.

2. Do not disturb suspected hazardous materials. When discovered, notify Contracting Officer's

Representative.

3. Hazardous materials discovered during execution of the work will be removed by

Government as work of a separate contract.

1.8 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

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B. Existing Warranties: Perform work to maintain existing roofing warranty in effect.

1. Notify warrantor before beginning, and upon completion of reroofing.

2. Obtain warrantor's instructions for maintaining existing warranty.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Patching Materials: Match existing roofing system materials.

B. Plywood Sheathing: See Section 06 10 00, ROUGH CARPENTRY.

C. Metal Flashing: See Section 07 60 00, SHEET METAL FLASHING AND TRIM.

D. Temporary Protection Materials:

1. Expanded Polystyrene (EPS) Insulation: ASTM C578.

2. Plywood: NIST DOC PS 1, Grade CD Exposure 1.

3. Oriented Strand Board (OSB): NIST DOC PS 2, Exposure 1.

E. Temporary Roofing System Materials: Contractor's option.

F. Recover Board: One of the following:

1. Insulation: See Section 07 22 00, ROOF AND DECK INSULATION.

2. Glass Mat Gypsum Board: ASTM C1177/C1177M, water-resistant; Type X, 16 mm

(5/8 inch) thick.

G. Fasteners: Type and size required by roof membrane manufacturer to resist wind uplift.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Infrared Roof Moisture Survey: Ground-based, walk-over type performed according to

ASTM C1153.

1. Record the entire survey on DVD and provide one copy to Contracting Officer's

Representative with report.

2. Include in report thermograms of suspect areas and corresponding daytime photos of same locations.

3. Conduct inspection by NDT test technician certified to at least Level 2 in Thermal/Infrared test method according to ASNT SNT-TC-1A.

4. Mark out roof areas determined to be wet to indicate minimum areas to be removed.

3.2 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing roofing system indicated to remain.

1. Cover roof membrane with temporary protection materials without impeding drainage.

2. Limit traffic and material storage to protected areas.

3. Maintain temporary protection until replacement roofing is completed.

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C. Protect existing construction and completed work from damage.

D. Protect landscaping from damage.

E. Maintain access to existing walkways and adjacent occupied facilities.

F. Coordinate use of rooftop fresh air intakes with Contracting Officer's Representative to minimize effect on indoor air quality.

G. Ensure temporary protection materials are available for immediate use in case of unexpected rain.

H. Ensure roof drainage remains functional.

1. Keep drainage systems clear of debris.

2. Prevent water from entering building and existing roofing system.

I. Coordinate rooftop utilities remaining active during roofing work with Contacting Officer's

Representative.

3.3 RE-ROOFING PREPARATION - GENERAL

A. Notify Contacting Officer's Representative of planned operations, daily.

1. Identify location and extent of roofing removal.

2. Request authorization to proceed.

3.4 OVERBURDEN REMOVAL

A. Remove aggregate ballast.

1. Store aggregate ballast for reuse.

B. Remove loose aggregate from bituminous membrane surface.

C. Remove pavers and paver support.

1. Store undamaged pavers and paver supports for reuse.

2. Dispose of damaged pavers.

3.5 ROOFING MEMBRANE AND SELECTIVE ROOFING SYSTEM COMPONENT REMOVAL

A. Remove existing roofing membrane, only, in locations and to extent indicated on drawings.

B. Visually inspect cover board, roof insulation, and substrate for moisture immediately after roof membrane removal.

1. Coordinate with Contracting Officer's Representative to observe inspections.

2. Identify wet roofing system components required to be removed.

3. Mark roofing system removal locations and extents.

C. Remove wet roofing system components.

1. Remove or cut-off roofing system fasteners when removals expose structural roof deck.

D. Patch selective roofing system removals immediately after inspection and repair.

E. Install patching materials to match existing roofing system.

F. Patch roofing membrane to maintain building watertight, unless new roofing membrane is installed same day as removal and repair.

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3.6 DECK PREPARATION

A. Inspect structural roof deck after roofing system removal.

B. Concrete Roof Decks:

1. Visually confirm concrete roof deck is dry.

2. Perform moisture test according to ASTM D4263 each day for each separate roof area.

a. Proceed with roofing work only when moisture is not observed.

3.7 TEMPORARY ROOFING

A. Install temporary roofing to maintain building watertight.

B. Remove temporary roofing before installing new roofing.

3.8 BASE FLASHING REMOVAL

A. Expose base flashings to permit removal.

1. Two-Piece Counterflashings: Remove cap flashing and store for reuse.

2. Single Piece Counterflashings: Carefully bend counterflashing.

3. Metal Copings: Remove decorative cap and store for reuse.

B. Remove existing base flashings.

1. Clean substrates to receive new flashings.

C. Replace counterflashings damaged during removal.

1. Counterflashings: See Section 07 60 00 SHEET METAL FLASHING AND TRIM.

3.9 RECOVER BOARD INSTALLATION

A. Install recover boards over existing roof insulation with butted joints. Stagger end joints in adjacent rows.

B. Fasten recover boards to resist wind-uplift.

1. Fastening Requirements: See Section 07 53 23, ETHYLENE-PROPYLENE-DIENE-MONOMER ROOFING

2. Uplift Resistance: Base on pull out resistance determined by specified field testing.

3.10 FIELD QUALITY CONTROL

A. Field Tests: Performed by testing laboratory specified in Section 01 45 29, TESTING

LABORATORY SERVICES.

1. Fastener Pull Out Tests: ANSI/SPRI FX-1.

B. Existing Roofing System Warrantor Services:

1. Inspect reroofing preparation and roofing installation to verify compliance with existing warranty conditions.

2. Submit reports of field inspections, and supplemental instructions issued during inspections.

3.11 DISPOSAL

A. Collect waste materials in containers.

B. Remove waste materials from project site, regularly, to prevent accumulation.

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C. Legally dispose of waste materials.

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07 21 13 - 1

SECTION 07 21 13

THERMAL INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Thermal insulation.

a. Batt or blanket insulation at exterior framed walls.

b. Board or block insulation at floor assemblies above unconditioned spaces.

2. Acoustical insulation.

a. Semi-rigid insulation at interior framed partitions.

b. Batt and blanket insulation at interior framed partitions and ceilings.

1.2 RELATED REQUIREMENTS

A. Adhesives VOC Limits: Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

B. Safing Insulation: Section 07 84 00, FIRESTOPPING.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. ASTM International (ASTM):

1. C516-08(2013)e1 - Vermiculite Loose Fill Thermal Insulation.

2. C549-06(2012) - Perlite Loose Fill Insulation.

3. C552-15 - Cellular Glass Thermal Insulation.

4. C553-13 - Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial

Applications.

5. C578-15 - Rigid, Cellular Polystyrene Thermal Insulation.

6. C591-15 - Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation.

7. C612-14 - Mineral Fiber Block and Board Thermal Insulation.

8. C665-12 - Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and

Manufactured Housing.

9. C728-15 - Perlite Thermal Insulation Board.

10. C954-15 - Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster

Base to Steel Studs From 0.033 (0.84 mm) inch to 0.112 inch (2.84 mm) in thickness.

11. C1002-14 - Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or

Metal Plaster Bases to Wood Studs or Steel Studs.

12. D312/D312M-15 - Asphalt Used in Roofing.

13. E84-15a - Surface Burning Characteristics of Building Materials.

14. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

07 21 13 - 2

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show insulation type, thickness, and R-value for each location.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Adhesive indicating manufacturer recommendation for each application.

D. Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

2. Low Pollutant-Emitting Materials:

a. Show volatile organic compound types and quantities.

1.5 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.6 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight facility.

B. Protect products from damage during handling and construction operations.

C. Protect foam plastic insulation from UV exposure.

1.7 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

PART 2 - PRODUCTS

2.1 INSULATION - GENERAL

A. Insulation Thickness:

1. Provide thickness required by R-value shown on drawings.

2. Provide thickness indicated when R-value is not shown on drawings.

B. Insulation Types:

1. Provide one insulation type for each application.

C. Sustainable Construction Requirements:

1. Insulation Recycled Content:

a. Polyisocyanurate/polyurethane rigid foam: 9 percent recovered material.

b. Rock wool material: 75 percent recovered material.

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2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:

a. Non-Flooring Adhesives and Sealants.

2.2 THERMAL INSULATION

A. Perimeter Insulation In Contact with Soil:

1. Polystyrene Board: ASTM C578, Type IV, V, VI, VII, or IX.

2. Cellular Glass Block: ASTM C552, Type I or IV.

B. Exterior Framing or Furring Insulation:

1. Mineral Fiber: ASTM C665, Type II, Class C, Category I where concealed by thermal barrier.

2. Mineral Fiber: ASTM C665, Type I, Unfaced, Class A at other locations.

C. Floor Assemblies Above Unconditioned Spaces:

1. Mineral Fiber Board: ASTM C612, Type IB or Type II.

2.3 ACOUSTICAL INSULATION

A. Semi Rigid, Batts and Blankets:

1. Widths and lengths to fit tight against framing.

2. Mineral Fiber boards: ASTM C553, Type II, flexible, or Type III, semi rigid unfaced.

a. Density: nominal 4.5 pound.

3. Mineral Fiber Batt or Blankets: ASTM C665 unfaced.

4. Maximum Surface Burning Characteristics: ASTM E84.

a. Flame Spread Rating: 25.

b. Smoke Developed Rating: 450.

2.4 ACCESSORIES

A. Fasteners:

1. Staples or Nails: ASTM F1667, zinc-coated, size and type to suit application.

2. Screws: ASTM C954 or ASTM C1002, size and length to suit application with washer minimum 50 mm (2 inches) diameter.

3. Impaling Pins: Steel pins with head minimum 50 mm (2 inches) diameter.

a. Length: As required to extend beyond insulation and retain cap washer when washer is placed on pin.

b. Adhesive: Type recommended by manufacturer to suit application.

B. Insulation Adhesive:

1. Nonflammable type recommended by insulation manufacturer to suit application.

C. Tape:

1. Pressure sensitive adhesive on one face.

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PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Clean substrates. Remove contaminants capable of affecting subsequently installed product's performance.

3.2 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for

Contracting Officer's Representative consideration.

B. Install insulation with vapor barrier facing the heated side, unless indicated otherwise.

C. Install board insulation with joints close and flush, in regular courses, and with end joints staggered.

D. Fit insulation tight against adjoining construction and penetrations, unless indicated otherwise.

3.3 THERMAL INSULATION

A. Exterior Framing or Furring Insulation:

1. General:

a. Open voids are not acceptable.

b. Pack insulation around door frames and windows, in building expansion joints, door soffits, and other voids.

c. Pack behind outlets, around pipes, ducts, and services encased in walls.

d. Hold insulation in place with pressure sensitive tape.

e. Lap facing flanges together over framing for continuous surface. Seal penetrations through insulation and facings.

2. Metal Studs:

a. Fasten insulation between metal studs, framing, and furring with pressure sensitive tape continuous along flanged edges.

3. Ceilings and Soffits:

a. Metal Framing:

1) Fasten insulation between metal framing with pressure sensitive tape continuous along flanged edges.

2) At metal framing and ceilings suspension systems, install insulation above suspended ceilings and metal framing at right angles to main runners and framing.

3) Tape insulation tightly together without gaps. Cover metal framing members with insulation.

4.

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B. Floor Assemblies Above Unconditioned Spaces:

1. Use impaling pins for attach insulation to underside of horizontal surfaces. Space fastenings as required to hold insulation in place and prevent sagging.

a. Bond insulation with adhesive when separate vapor retarder is used.

3.4 ACOUSTICAL INSULATION

A. General:

1. Install insulation without voids.

2. Pack insulation around door frames and windows, in building expansion joints, door soffits, and other voids.

3. Pack behind outlets, around pipes, ducts, and services encased in walls.

4. Hold insulation in place with pressure sensitive tape.

5. Lap facer flanges together over framing for continuous surface. Seal all penetrations through the insulation and facers.

6. Do not compress insulation below required thickness except where embedded items prevent required thickness.

B. Semi Rigid, Batts and Blankets:

1. When insulation is not full thickness of cavity, adhere insulation to one side of cavity, maintaining continuity of insulation and covering penetrations or embedments.

a. Metal Framing:

1) Fasten insulation between metal framing with pressure sensitive tape continuous along flanged edges.

2) At metal framing or ceilings suspension systems, install blanket insulation above suspended ceilings or metal framing at right angles to the main runners or framing.

3) Tape insulation tightly together so no gaps occur and metal framing members are covered by insulation.

3.5 CLEANING

A. Remove excess adhesive before adhesive sets.

3.6 PROTECTION

A. Protect insulation from construction operations.

B. Repair damage.

ROOF AND DECK INSULATION

07 22 00 - 1

SECTION 07 22 00

ROOF AND DECK INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

B. Repairs and alteration work to existing roof insulation.

1.2 RELATED REQUIREMENTS

A. Non-Flooring Adhesives and Sealants VOC Limits: Section 01 81 13, SUSTAINABLE

CONSTRUCTION REQUIREMENTS.

B. Wood Cants, Blocking, and Edge Strips: Section 06 10 00, ROUGH CARPENTRY.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Society of Heating, Refrigeration and Air Conditioning (ASHRAE):

1. Standard 90.1-13 - Energy Standard for Buildings Except Low-Rise Residential Buildings.

C. ASTM International (ASTM):

1. C208-12 - Cellulosic Fiber Insulating Board.

2. C552-15 - Cellular Glass Thermal Insulation.

3. C726-05 - Mineral Fiber Roof Insulation Board.

4. C728-15 - Perlite Thermal Insulation Board.

5. C1177/C1177M-13 - Glass Mat Gypsum Substrate for Use as Sheathing.

6. C1278/C1278M-07a(2015) - Fiber-Reinforced Gypsum Panel.

7. C1289-15 - Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board.

8. C1396/C1396M-14a - Gypsum Board.

9. D41/D41M-11 - Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing.

10. D312-06 - Asphalt Used in Roofing.

11. D1970/D1970M-15 - Self-Adhering Polymer Modified Bituminous Sheet Materials Used as

Steep Roofing Underlayment for Ice Dam Protection.

12. D2178/D2178M-15 - Asphalt Glass Felt Used in Roofing and Waterproofing.

13. D2822/D2822M-11 - Asphalt Roof Cement, Asbestos Containing.

14. D4586/D4586M-07(2012)e1 - Asphalt Roof Cement, Asbestos-Free.

15. E84-15a - Surface Burning Characteristics of Building Materials.

16. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

D. National Roofing Contractors Association (NRCA):

1. Manual-15 - The NRCA Roofing Manual: Membrane Roof Systems.

E. U.S. Department of Agriculture (USDA):

1. USDA BioPreferred Program Catalog.

07 22 00 - 2

F. UL LLC (UL):

1. Listed - Online Certifications Directory.

G. U.S. Department of Commerce National Institute of Standards and Technology (NIST):

1. DOC PS 1-09 - Structural Plywood.

2. DOC PS 2-04 - Performance Standard for Wood-Based Structural-Use Panels.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and installation details.

a. Nailers, cants, and terminations.

b. Layout of insulation showing slopes, tapers, penetrations, and edge conditions.

C. Manufacturer's Literature and Data:

1. Description of each product.

D. Samples:

1. Roof insulation, each type.

2. Fasteners, each type.

E. Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

2. Biobased Content:

a. Show type and quantity for each product.

3. Low Pollutant-Emitting Materials:

a. Show volatile organic compound types and quantities.

b. Certify each composite wood and agrifiber product contain no added urea formaldehyde.

F. Qualifications: Substantiate qualifications meet specifications.

1. Installer.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Same installer as Division 07 roofing section installer.

1.6 DELIVERY

A. Comply with recommendations of NRCA Manual.

B. Deliver products in manufacturer's original sealed packaging.

C. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

D. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

07 22 00 - 3

1.7 STORAGE AND HANDLING

A. Comply with recommendations of NRCA Manual.

B. Store products indoors in dry, weathertight facility.

C. Protect products from damage during handling and construction operations.

1.8 FIELD CONDITIONS

A. Environment:

1. Install products when existing and forecasted weather permit installation according to manufacturer's instructions.

1.9 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

B. Manufacturer's Warranty: Warrant substrate board, vapor retarder, insulation, and cover board against material and manufacturing defects as part of Division 07 roofing system warranty.

PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Insulation Thermal Performance:

1. Match existing thickness.

B. Fire and Wind Uplift Resistance: Provide roof insulation complying with requirements specified in

Division 07 roofing section.

2.2 PRODUCTS - GENERAL

A. Provide each product from one manufacturer.

B. Sustainable Construction Requirements:

1. Insulation Recycled Content:

a. Mineral Fiber: 75 percent total recycled content, minimum.

b. Rigid Foam: 9 percent total recycled content, minimum.

2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:

a. Non-flooring adhesives and sealants.

b. Composite wood and agrifiber.

3. Bio-Based Materials: Where applicable, provide products designated by USDA and meeting or exceeding USDA recommendations for bio-based content, and products meeting Rapidly

Renewable Materials and certified sustainable wood content definitions; refer to www.biopreferred.gov.

2.3 ADHESIVES

A. Primer: ASTM D41/D41M.

http://www.biopreferred.gov/

07 22 00 - 4

B. Asphalt: ASTM D312, Type III or IV for vapor retarders and insulation.

C. Modified Asphaltic Insulation Adhesive: Insulation manufacturer's recommended modified asphaltic, asbestos-free, cold-applied adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

D. Bead-Applied Urethane Insulation Adhesive: Insulation manufacturer's recommended bead-applied, low-rise, one- or multicomponent urethane adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

E. Full-Spread Applied Urethane Insulation Adhesive: Insulation manufacturer's recommended spray-applied, low-rise, two-component urethane adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

F. Roof Cement: Asbestos free, ASTM D2822/D2822M, Type I or Type II; or, ASTM D4586/D4586M, Type I or Type II.

2.4 ROOF AND DECK INSULATION

A. Roof and Deck Insulation, General: Preformed roof insulation boards approved by roofing manufacturer.

B. Polyisocyanurate Board Insulation: ASTM C1289, Type II, Class 1, Grade 2, faced with glass fiber reinforced cellulosic felt facers on both major surfaces of the core foam.

C. Tapered Roof Insulation System:

1. Fabricate of mineral fiberboard, polyisocyanurate, perlite board, or cellular glass. Use only one insulation material for tapered sections. Use only factory-tapered insulation.

2. Cut to provide high and low points with crickets and slopes as shown.

3. Minimum thickness of tapered sections; 38 mm (1-1/2 inch).

4. Minimum slope 1/48 (1/4 inch per 12 inches).

2.5 INSULATION ACCESSORIES

A. Glass (Felt): ASTM D2178/D2178M, Type VI, heavy duty ply sheet.

B. Cants and Tapered Edge Strips:

1. Insulation Cant Strips: ASTM C208, Type II, Grade 1, cellulosic-fiber insulation board.

2. Tapered Edge Strips: 1/12 (1 inch per 12 inches), from 0 mm (0 inches), 300 mm to 450 mm

(12 inches to 18 inches) wide.

a. Mineral Fiberboard: ASTM C726.

C. Cover Board:

1. Glass-Mat, Water-Resistant Gypsum Roof Board: ASTM C1177/C1177M, 16 mm

(5/8 inch) thick, factory primed.

2.6 ACCESSORIES

A. Fasteners: Corrosion-resistant carbon steel fasteners and galvalume-coated steel or plastic round plates for fastening substrate board and insulation to roof deck.

07 22 00 - 5

B. Nails: ASTM F1667; type to suit application.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Comply with requirements of Division 07 roofing section.

3.2 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

3.3 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for

Contracting Officer's Representative consideration.

B. Comply with requirements of UL for insulated steel roof deck.

C. Attach substrate board and other products to meet requirements of Division 07 roofing section.

3.4 SUBSTRATE BOARD INSTALLATION

A. Fasten substrate board to top flanges of steel decking to resist uplift pressures according requirements for specified roofing system.

1. Locate the long dimension edge joints solidly bearing on top of decking ribs.

3.5 VAPOR RETARDER INSTALLATION

A. Vapor Retarder Installation, General:

1. Install continuous vapor retarder on roof decks where indicated.

2. At vertical surfaces, turn up vapor retarder to top of insulation or base flashing.

3. Seal penetrations through vapor retarder with roof cement to prevent moisture entry from below.

B. Cast in Place Concrete Decks, Except Insulating Concrete:

1. Prime deck as specified.

2. Apply two plies of asphalt saturated felt mopped down to deck.

C. Precast Concrete Unit Decks Without Concrete Topping:

1. Prime deck as specified.

2. Apply two plies of asphalt saturated felt.

3. Mop to deck, keeping bitumen 100 mm (4 inches) away from joints of precast units. Bridge joints with felt. Mop between plies as specified.

3.6 INSULATION INSTALLATION

A. Insulation Installation, General:

07 22 00 - 6

1. Base Sheet: Where required by roofing system, install one lapped base sheet specified in

Division 07 roofing section by mechanically fastening to roofing substrate before installation of insulation.

2. Cant Strips: Install preformed insulation cant strips at junctures of roofing system with vertical construction.

3. Use same insulation as existing for roof repair and alterations unless specified otherwise.

B. Insulation Thickness:

1. Thickness of roof insulation shown on drawings is nominal. Provide thickness required to comply with specified thermal performance.

2. Insulation on Metal Decks: Provide insulation in minimum thickness recommended by insulation manufacturer to span deck flutes. Support edges of insulation on metal deck ribs.

3. When actual insulation thickness differs from drawings, coordinate alignment and location of roof drains, flashing, gravel stops, fascias and similar items.

4. Where tapered insulation is used, maintain insulation thickness at high points and roof edges shown on drawings.

a. Low Point Thickness: Minimum 38 mm (1-1/2 inches).

5. Use minimum two layers of insulation when required thickness is 68 mm (2.7 inch) or greater.

C. Lay insulating units with close joints, in regular courses and with end joints staggered.

1. Stagger joints between layers minimum 150 mm (6 inches).

D. Lay units with long dimension perpendicular to the rolled (longitudinal) direction of the roofing felt.

E. Seal cut edges at penetrations and at edges against blocking with bitumen or roof cement.

F. Cut to fit tightly against blocking or penetrations.

G. Cover all insulation installed on the same day; comply with temporary protection requirements of

Division 07 roofing section.

H. Installation Method:

1. Adhered Insulation:

a. Prime substrate as required.

b. Set each layer of insulation firmly in solid mopping of hot asphalt.

c. Set each layer of insulation firmly in ribbons of bead-applied insulation adhesive.

d. Set each layer of insulation firmly in uniform application of full-spread insulation adhesive.

2. Mechanically Fastened Insulation:

a. Fasten insulation according to requirements in Division 07 roofing section.

b. Fasten insulation to resist uplift pressures specified in Division 07 roofing section.

3. Mechanically Fastened and Adhered Insulation:

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a. Fasten first layer of insulation according to "Mechanically Fastened Insulation" requirements.

b. Fasten each subsequent layer of insulation according to "Adhered Insulation" requirements.

3.7 COVER BOARD INSTALLATION

A. Install cover boards over insulation with long joints in continuous straight lines with staggered end joints.

B. Offset cover board joints from insulation joints 150 mm (6 inches), minimum.

C. Secure cover boards according to "Adhered Insulation" requirements.

Exterior Insulation and Finish Systems

07 24 00 - 1

SECTION 07 24 00

EXTERIOR INSULATION AND FINISH SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Exterior insulation and finish systems (EIFS).

1.2 RELATED WORK

A. Section 09 29 00, GYPSUM SHEATHING: Gypsum Board Sheathing.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute (ANSI):

1. A108/A118/A136-19 Installation of Ceramic Tile.

2. A137.1-19 Ceramic Tile - Version 1.

C. ASTM International (ASTM):

1. B117-19 Operating Salt Spray (Fog) Apparatus.

2. C67/C67M-20 Sampling and Testing Brick and Structural Clay Tile.

3. C177-19 Steady-State Heat Flux Measurements and Thermal Transmission

Properties by Means of the Guarded-Hot-Plate Apparatus.

4. C297/C297M-16 Flatwise Tensile Strength of Sandwich Constructions.

5. C578-19 Rigid, Cellular Polystyrene Thermal Insulation.

6. C666/C666M-15 Resistance of Concrete to Rapid Freezing and Thawing.

7. C920-18 Elastomeric Joint Sealants.

8. D968-17 Abrasion Resistance of Organic Coatings by Falling Abrasive.

9. D2794-93(2019) Resistance of Organic Coatings to the Effects of Rapid

Deformation (Impact).

10. E84-20 Surface Burning Characteristics of Building Materials.

11. E96/E96M-16 Water Vapor Transmission of Materials.

12. E119-20 Fire Tests of Building Construction and Materials.

13. E330/E330M-14 Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference.

14. E331-00(2016) Water Penetration of Exterior Windows, Skylights, Doors, and Curtain

Wall by Uniform Static Air Pressure Differences.

15. E2486/E2486M-13(2018) Impact Resistance of Class PB and PI Exterior Insulation and Finish Systems (EIFS).

16. G90-17 Performing Accelerated Outdoor Weathering of Nonmetallic Materials Using

Concentrated Natural Sunlight.

1.4 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting at project site minimum 30 days before beginning Work of this section.

1. Required Participants:

a. Contracting Officer's Representative.

b. Inspection and Testing Agency.

c. Contractor.

d. Installer.

e. Manufacturer's field representative.

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f. Other installers responsible for adjacent and intersecting work, including air barriers and sealants.

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Installation schedule.

b. Installation sequence.

c. Preparatory work.

d. Protection before, during, and after installation.

e. Installation.

f. Terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

3. Document and distribute meeting minutes to participants to record decisions affecting installation.

1.5 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and fabrication and installation details.

2. Show details for corner treatment, sills, soffits, dentils, quoins, lintels, openings, penetrations, flashing, and other special applications.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Installation instructions.

3. Warranty.

4. Samples: Two 300 mm (1 foot) square samples of EIFS finishes over cement board identical to proposed installation in thickness, color, texture insulation and workmanship.

D. Test reports: Certify each product and complete system complies with specifications.

E. Qualifications: Substantiate qualifications comply with specifications.

1. Installer with project experience list.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Regularly installs specified products.

2. Installed specified products with satisfactory service on five similar installations for minimum five years.

a. Project Experience List: Provide contact names and addresses for completed projects.

1.7 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.8 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight facility.

B. Protect products from damage during handling and construction operations.

07 24 00 - 3

1.9 FIELD CONDITIONS

1. Environment: Unless greater temperature is required by system manufacturer, install products only when ambient air temperature is minimum 7 degrees C (45 degrees F) and rising and predicted to persist for 24 hours after installation.

1.10 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

B. Manufacturer's Warranty: Warrant EIFS system materials against material and manufacturing defects.

1. Warranty Period: 10 years.

PART 2 - PRODUCTS

2.1 PRODUCTS - GENERAL

A. Provide system components from one manufacturer and from one production run.

2.2 EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

A. Description: Polymer-Based (PB) system consists of Type I molded rigid polystyrene insulation adhered to sheathing and finished with glass-fiber-mesh reinforced based-coat and textured finish coat.

B. Performance Requirements:

1. Surface Burning Characteristics: When tested according to ASTM E84.

a. Flame Spread Rating: 25 maximum.

b. Smoke Developed Rating: 450 maximum.

2. Full Scale Wall Fire Test: No significant surface flaming or propagation of vertical or lateral flames when tested according to ASTM E119.

3. Impact Resistance (Sample to be cured. Finish, base coat and fabric over 25 mm (1 inch) insulation typical of project application), ASTM E2486/E2486M:

a. Standard Impact Resistance - 2.83 to 5.54 J (25-49 inch-pounds).

4. Structural Performance: (Test panels 1200 mm x 1200 mm (4 feet by 4 feet) typical of project application): ASTM E330/E330M, no permanent deformation, delamination or deterioration for positive and negative pressures as required.

a. Wind Loads: Uniform pressure as indicated on Drawings.

5. Water Penetration: ASTM E331, no water penetration minimum 720Pa (15 psf) for windows and 300 Pa (6.24 psf) for curtain wall assembly.

6. Abrasion Resistance: ASTM D968, 500 liters of sand with slight smoothing and no loss of film integrity.

7. Accelerated Weathering: ASTM G90; 2000 hours with no deterioration.

8. Salt Spray Resistance: ASTM B117; Withstand 300 hours with no deleterious effects.

9. Water Vapor: ASTM E96/E96M; Maximum 12 grains/hour/square meter (18 grains/hour/square foot.).

10. Absorption-Freeze-Thaw (Pre-weighed 100 mm x 200 mm (4 inch by 8 inch) specimens;

25 mm (1 inch) insulation, faced with finish coat cured and stored in air; tested with edges and back open), ASTM C67.

a. 50 Cycles: 20 hours at 9 degrees C (4 degrees F); 4-hour thaw in water.

b. After 50 cycles; total weight gain of maximum 6.2 grams. No checking splitting, or cracking.

C. Adhesive: Manufacturers standard product including primer compatible with sheathing.

D. Insulation:

1. Thermal Resistance: Thermal resistance (R-value), as indicated, measured by

ASTM C177.

07 24 00 - 4

2. Insulating Material: ASTM C578, as recommended by EIFS manufacturer and treated to be compatible with EIFS components. Age insulation minimum of 6 weeks before installation.

3. Provide Type I Molded Expanded Polystyrene (MEPS) insulation board for Type PB systems, in sizes as required except maximum 600 mm X 1200 mm (24 X 48 inches) boards, and maximum 100 mm (4 inches) thick.

E. Mechanical Anchors: As recommended by EIFS manufacturer.

F. Accessories:

1. Trim, control joints, weep screed, edging, anchors, expansion joints, and other items required for proper installation as recommended by EIFS manufacturer.

2. Metal Items and Fasteners: Corrosion resistant.

G. Reinforcing Fabric: Balanced, open weave, glass fiber fabric made from twisted multi-end strands specifically treated for compatibility with the other materials of system.

1. Minimum weight 100 grams/square meter (4.3 ounces/square yard).

H. Base Coat: Manufacturer's standard.

I. Finish Coat: Manufacturer's standard. Minimum thickness 1.5 mm (1/16 inch), complying with performance requirements.

1. Color Match existing stucco texture and color.

J. Sealant: ASTM C920; Class 50 with 100 percent recovery. Type, grade and use as recommended by sealant manufacturer.

1. When required, provide non-staining primer, bond breaker, and backer rods as recommended by sealant manufacturer.

2. Do not use absorptive materials as backer rods.

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Notify Contracting Officer's Representative in writing of conditions detrimental to proper completion of work.

D. Do not proceed with work until unsatisfactory conditions are corrected.

3.2 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

3.3 CONTROL JOINT INSTALLATION

A. See drawings for location of building control joints and surface control joints.

B. Install surface control joints as follows:

1. Exterior Insulation and Finish System. Install at 15 meters (50 feet) maximum in both directions and at building expansion joints, floor lines and where EIFS intersects other materials per manufacturer's recommendations.

3.4 SEALANT INSTALLATION

A. Apply sealant at intersections of gypsum board with windows, doors, control joints, other openings and locations as shown on drawings.

07 24 00 - 5

B. Exterior Insulation and Finish System: Apply sealant according to EIFS manufacturer's recommendation.

C. Do not apply sealant in locations intended for water drainage.

3.5 SYNTHETIC STUCCO FINISH INSTALLATION

A. Joint Reinforcement: Pre-fill gypsum board joints and trim with synthetic stucco base coat mixed according to manufacturer's directions.

1. Immediately embed reinforcing tape into wet base coat and tightly trowel to board surface to avoid crowning joints.

2. Cure for four hours minimum before applying base coat.

B. Base Coat: Uniformly apply base coat minimum 1.6 mm (1/16 inch) thick, smooth and flat over entire surface including joints and trim. Dampen board surface as necessary under rapid drying conditions.

1. Embed reinforcing fabric in basecoat while wet and cover with basecoat material so fabric pattern is not visible.

C. Finish: Trowel apply exterior finish to base coat texturing surface as specified to uniform thickness of 1.5 mm to 5 mm (1/16 inch to 3/16 inch).

1. Dampen base coat as necessary under rapid drying conditions.

2. Extend finish so breaks between batches occur at surface breaks such as corners, control joints, windows, and other interruptions.

3.6 EXTERIOR INSULATION AND FINISH SYSTEM INSTALLATION

A. Insulation Board Layout: Place horizontally from level base line. Stagger vertical joints and interlock at corners. Butt joints tightly. Provide flush surfaces at joints. Offset insulation board joints from joints in sheathing minimum 200 mm (8 inches). Do not align joints with corners of doors, windows and other openings. Do not leave insulation board exposed longer than recommended by insulation manufacturer.

B. Adhesive: Apply directly to entire back surface of the insulation board as recommended by the system manufacturer and immediately apply to gypsum board substrate. Apply firm pressure over entire board to ensure uniform contact and level surface. Allow adhesive to cure for 24 hours minimum before sanding.

C. Create means of drainage between insulation board and gypsum board sheathing.

D. Flash penetrations and terminations to discharge water to exterior.

E. Mechanical Fasteners: Fasten with manufacturer's standard anchors, spaced as recommended by manufacturer, maximum 600 mm (24 inches) on center horizontally and vertically.

F. Sanding: Sand entire surface of insulation before applying base coat, level high joints and remove dirt and weathering damage. Do not pre-fill low areas with basecoat.

G. Base Coat: Trowel apply uniform thickness of base coat to insulation with minimum thickness of 1-1/2 times reinforcing fabric thickness and minimum 2.4 mm (3/32 inches) wet thickness.

H. Install reinforcing fabric embedded in base coat. Provide diagonal reinforcement at opening corners, back wrapping, and other reinforcement recommended by EIFS manufacturer. Ensure fabric pattern is not visible beneath the surface of the basecoat after installation. Cure basecoat 24 hours minimum before applying finish coat.

I. Finish Coat:

1. Inspect basecoat for damage or defects and repair before applying finish coat.

2. Trowel apply finish coat minimum 1.6 mm (1/16 inch) thick.

3. Texture finish as required.

4. Surface Tolerance: Maximum 1/500 (1/4 inch in 10 feet) deviation from plumb and plane.

07 24 00 - 6

Fluid-Applied Membrane Air Barrier, Vapor Permeable

07 27 26 - 1

SECTION 07 27 26

FLUID-APPLIED MEMBRANE AIR BARRIERS, VAPOR PERMEABLE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Fluid-applied vapor-permeable air barrier at exterior above grade wall assemblies.

2. Connection to adjacent air barrier components providing a durable, continuous, full building air barrier.

1.2 RELATED WORK

A. Section 01 45 29 TESTING LABORATORY SERVICES: General Quality Assurance and Quality Control Requirements.

B. Section 01 81 13 SUSTAINABLE CONSTRUCTION REQUIREMENTS: General Sustainable Construction Requirements.

C. Section 01 91 00 GENERAL COMMISSIONING REQUIREMENTS: Commissioning of building envelope components.

D. Section 07 60 00 FLASHING AND SHEET METAL: Metal Flashing Requiring Air Barrier Transitions.

E. Section 07 92 00, JOINT SEALANTS: Joint Sealants.

F. Section 09 29 00 GYPSUM BOARD: Wall Sheathings Air Barrier Substrates.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. Air Barrier Association of America (ABAA):

1. Quality Assurance Program.

C. ASTM International (ASTM):

1. C920-18 Elastomeric Joint Sealants.

2. C1193-16 Use of Joint Sealants.

3. D412-16 Vulcanized Rubber and Thermoplastic Elastomers-Tension.

4. E96/E96M-16 Water Vapor Transmission of Materials.

5. E162-16 Surface Flammability of Materials Using a Radiant Heat Energy Source.

6. E783-02(2018) Field Measurement of Air Leakage Through Installed Exterior Windows and Doors.

7. E1186-17 Air Leakage Site Detection in Building Envelopes and Air Barrier

Systems.

8. E2178-13 Air Permanence of Building Materials.

9. E2357-18 Determining Air Leakage of Air Barrier Assemblies.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

1. Show size, configuration, and fabrication and installation details.

B. Manufacturer's Literature and Data:

1. Description of each product.

2. Installation instructions.

C. Sustainable Construction Submittals:

1. Low Pollutant-Emitting Materials:

07 27 26 - 2

a. Identify volatile organic compound types and quantities.

D. Test reports:

1. Submit field inspection and test reports.

E. Certificates: Certify each product complies with specifications.

1. Compatibility: Certify products are compatible with adjacent materials.

F. Qualifications: Substantiate qualifications comply with specifications.

1. Manufacturer with project experience list.

2. Installer with project experience list.

a. Include personnel qualifications.

b. Field supervisor qualifications.

c. Certify installer approval by air barrier manufacturer.

G. Installation Audit:

1. Submit audit report.

1.5 QUALITY ASSURANCE

A. Coordinate work with adjacent and related work to provide continuous, unbroken, durable air barrier system.

B. Manufacturer Qualifications:

1. Regularly and presently manufactures specified products.

2. Manufactured specified products with satisfactory service on five similar installations for minimum five years.

3. Accreditation by ABAA.

C. Installer Qualifications:

1. Regularly and presently installs specified products.

2. Approved by manufacturer.

3. Accredited by ABAA.

4. Applicators certified according to ABAA Quality Assurance Program.

5. Applicators trained and certified by manufacturer of air barrier system.

6. Full time on-site field supervisor has completed three projects of similar scope within last year.

7. Field Supervisor: Holds Sealant, Waterproofing, and Restoration Institute (SWRI) Wall

Coating Validation Program Certificate, or similar qualification acceptable to Contracting Officer’s Representative.

8. Field supervisor accredited by ABAA as Level 3 Accredited Installer.

D. Testing Agency Qualifications:

1. Accredited by International Accreditation Service, Inc. or American Association for

Laboratory Accreditation.

2. Certified to perform ABAA Quality Assurance Program installer audits.

3. Staff experienced in installation of specified system and qualified to perform observation and inspection specified and determine compliance with project requirements.

1.6 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.7 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight, conditioned facility.

B. Protect products from damage during handling and construction operations.

07 27 26 - 3

1.8 FIELD CONDITIONS

A. Environment:

1. Work Area Ambient Temperature Range: 4 to 32 degrees C (40 to 90 degrees F) continuously, beginning 48 hours before installation.

2. Surface Requirements: visibly dry, and complying with manufacturer's instructions.

1.9 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Air-Barrier Assembly Air Leakage: Maximum 0.2 L/s/square meter (0.04 cfm/square feet) of surface area at 75 Pa (1.57 psf) differential pressure when tested according to ASTM E2357.

B. Provide full system of compatible materials under conditions of service and application required.

Compatibility based on testing by material manufacturer.

C. Perform as continuous vapor permeable air barrier and moisture drainage plane.

D. Transition to adjacent flashings and discharge water to building exterior.

E. Accommodate substrate movement and seal expansion and control joints, construction material transitions, opening transitions, penetrations, and perimeter conditions…